update ci go version

TokenxyWZY · TokenxyWZY · commit c9a2f98fe37c · 2019-06-14T10:34:01.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,7 +2,7 @@ language: go
 sudo: false
 dist: trusty
 go:
-  - 1.11
+  - 1.12
 
 before_install:
   - go mod download
